Better Living Through Agriculture

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Across
  1. 3. cuts and threshes in a single operation
  2. 4. a popular easy to grow summer flowering plant
  3. 6. containing harmful chemicals/organisms
  4. 9. receives and treats human waste
  5. 11. a popular Chinese food that's made from soybeans
  6. 12. water that is free of harmful chemicals
  7. 14. a building with individually owned areas
  8. 15. a popular potato variety of the 1930's
  9. 16. any edible material used for animals
  10. 18. removes cotton seed from cotton fiber
Down
  1. 1. a machine used to cut small grain
  2. 2. removes ears of corn from the stalks
  3. 5. a plant that hosts nitrogen fixing bacteria
  4. 7. row of houses connected by side walls
  5. 8. a can with contents under pressure
  6. 10. liquid body waste
  7. 13. widespread starvation
  8. 17. solid body waste